







Kiko Kostadinov x ASICS UB9-S Gel Kayano 20 'Vibrant Yellow' 1203A456-750

Step into the future of athletic footwear with the Kiko Kostadinov x ASICS UB9-S Gel Kayano 20 'Vibrant Yellow,' a bold fusion of cutting-edge design and advanced performance. Featuring an eye-catching vibrant yellow colorway, these sneakers showcase the signature avant-garde aesthetics of Kiko Kostadinov, seamlessly paired with ASICS' renowned Gel cushioning technology for unparalleled comfort and support. The dynamic silhouette is crafted with a breathable mesh upper and reinforced overlays for durability, while the innovative lacing system ensures a secure, adaptive fit. Perfect for both high-intensity workouts and street-style statements, the UB9-S Gel Kayano 20 combines function and fashion in every stride. Whether you're a sneaker enthusiast or an athlete, this collaboration delivers premium craftsmanship, modern style, and performance-driven innovation.
| US M | US W | UK | EU | CM |
|---|
| 3M | 4.5W | 2 | - | - |
| 3.5M | 5W | 2.5 | - | - |
| 4M | 5.5W | 3 | 36 | 22.5 |
| 4.5M | 6W | 3.5 | 37 | 23 |
| 5M | 6.5W | 4 | 37.5 | 23.5 |
| 5.5M | 7W | 4.5 | 38 | 24 |
| 6M | 7.5W | 5 | 39 | 24.5 |
| 6.5M | 8W | 5.5 | 39.5 | 25 |
| 7M | 8.5W | 6 | 40 | 25.25 |
| 7.5M | 9W | 6.5 | 40.5 | 25.5 |
| 8M | 9.5W | 7 | 41.5 | 26 |
| 8.5M | 10W | 7.5 | 42 | 26.5 |
| 9M | 10.5W | 8 | 42.5 | 27 |
| 9.5M | 11W | 8.5 | 43.5 | 27.5 |
| 10M | 11.5W | 9 | 44 | 28 |
| 10.5M | 12W | 9.5 | 44.5 | 28.25 |
| 11M | 12.5W | 10 | 45 | 28.5 |
| 11.5M | 13W | 10.5 | 46 | 29 |
| 12M | 13.5W | 11 | 46.5 | 29.5 |
| 12.5M | 14W | 11.5 | 47 | 30 |
| 13M | 14.5W | 12 | 48 | 30.5 |
| 14M | 15.5W | 13 | 49 | 31 |
| 15M | 16.5W | 14 | 50.5 | 32 |
Novelship employs a strict verification process where each product is unboxed to allow thorough inspection of the product, including the packaging, exterior appearance, interior components, and accessories. Defects and imperfections are flagged, and our authentication team determines the legitimacy of each product before final approval.
- Requests must be made within 30 days of the Shipment Completion Date (from your first contact).
- Products must be unused, in original condition, with the Novelship authentication tag attached.
- Buyers are responsible for return shipping fees.
- Return address will be provided after you agree to the return terms.
- Refund amount will be reviewed and finalized by our internal/finance team, and issued to the original payment method after verification.
Please speak to our Customer Service specialists before performing any such returns. Novelship reserves the final decision on whether a return is allowable.
Requests for size exchanges can only be made within 30 days of the shipping date and are subject to availability.
Please contact our customer service team before returning any product.
For further information, please refer to our Term and Conditions.
Step into the future of athletic footwear with the Kiko Kostadinov x ASICS UB9-S Gel Kayano 20 'Vibrant Yellow,' a bold fusion of cutting-edge design and advanced performance. Featuring an eye-catching vibrant yellow colorway, these sneakers showcase the signature avant-garde aesthetics of Kiko Kostadinov, seamlessly paired with ASICS' renowned Gel cushioning technology for unparalleled comfort and support. The dynamic silhouette is crafted with a breathable mesh upper and reinforced overlays for durability, while the innovative lacing system ensures a secure, adaptive fit. Perfect for both high-intensity workouts and street-style statements, the UB9-S Gel Kayano 20 combines function and fashion in every stride. Whether you're a sneaker enthusiast or an athlete, this collaboration delivers premium craftsmanship, modern style, and performance-driven innovation.
Novelship employs a strict verification process where each product is unboxed to allow thorough inspection of the product, including the packaging, exterior appearance, interior components, and accessories. Defects and imperfections are flagged, and our authentication team determines the legitimacy of each product before final approval.
- Requests must be made within 30 days of the Shipment Completion Date (from your first contact).
- Products must be unused, in original condition, with the Novelship authentication tag attached.
- Buyers are responsible for return shipping fees.
- Return address will be provided after you agree to the return terms.
- Refund amount will be reviewed and finalized by our internal/finance team, and issued to the original payment method after verification.
Please speak to our Customer Service specialists before performing any such returns. Novelship reserves the final decision on whether a return is allowable.
Requests for size exchanges can only be made within 30 days of the shipping date and are subject to availability.
Please contact our customer service team before returning any product.
For further information, please refer to our Term and Conditions.






